Home / 141,082.97-194,696.93-77,426.69

Finding the Fourth Proportional to 141,082.97, 194,696.93 and 77,426.69

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Solution

The fourth proportional to 141,082.97, 194,696.93 and 77,426.69 is: 106,850.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,082.97 : 194,696.93 = 77,426.69 : x
  2. Step 2: Convert to fraction form
    141,082.97/194,696.93 = 77,426.69/x
  3. Step 3: Cross multiply
    141,082.97x = 194,696.93 × 77,426.69
  4. Step 4: Simplify right side
    141,082.97x = 15,074,738,843.06
  5. Step 5: Solve for x
    x = 15,074,738,843.06/141,082.97
  6. Step 6: Final answer
    x = 106,850.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.